1312467621084 has 120 divisors (see below), whose sum is σ = 3487550335808. Its totient is φ = 430317619200.

The previous prime is 1312467621043. The next prime is 1312467621109. The reversal of 1312467621084 is 4801267642131.

1312467621084 is a `hidden beast` number, since 1 + 3 + 12 + 4 + 6 + 7 + 621 + 0 + 8 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8604684 + ... + 8755884.

Almost surely, 2^{1312467621084} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312467621084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1743775167904).

1312467621084 is an abundant number, since it is smaller than the sum of its proper divisors (2175082714724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312467621084 is a wasteful number, since it uses less digits than its factorization.

1312467621084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151657 (or 151646 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 1312467621084 in words is "one trillion, three hundred twelve billion, four hundred sixty-seven million, six hundred twenty-one thousand, eighty-four".